Centres of a Triangle

Construct some of the centres of a triangle and investigate relationships between them, discovering the Euler Line

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

Tags: Circles, Zeros, Geometry

Reflection

Experience reflection dynamically: relationships between the object, the image and the position and orientation of the mirror.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Reflection, Geometry

Similar Shapes

A dynamic approach to enlargement and similarity

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Geometry, 2D shapes

Adding Fractions

Innovative way to explore fraction concepts, particularly equivalence and addition.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Fractions, Similarity, Geometry

Enlargement/reduction from the origin (template)

A ready-made Graphs page for enlargements centred at the origin.

Publisher: Texas Instruments UK

Editor: Christopher Rath

Topic:  Mathematics

Tags: Enlargement and reduction, Geometry

Geoboards

Virtual geoboards for exploring basic geometric concepts

Author: Andy Kemp

Topic:  Mathematics

Tags: Geometry